Transaction not yet indexed

53uCtvJ9c6nfiQBAjUG7ygzjZ1XMBSud37ssKoU4vX2btBkqQ4mN4N8B5FSkyDtdy2BCPmFCnujfFUkYrdnRFkS2

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.